Consolidated Statements of Comprehensive Income (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Consolidated Statements of Comprehensive Income [Abstract]
Net earnings	$ 2,478	$ 1,353	$ 5,364	$ 2,095
Unrealized gains and losses on securities available-for-sale:
Unrealized holding gains arising during the year, net of income tax expense: $576 and $1,077 for the three months ended June 30, 2012 and 2011, respectively; and $438 and $1,123 for the six months ended June 30, 2012 and 2011, respectively	1,119	2,091	851	2,180
Reclassification adjustment for gain on securities available-for-sale, net of income tax expense: $46 and $20 for the three months ended June 30, 2012 and 2011, respectively; and $46 and $34 for the six months ended June 30, 2012 and 2011, respectively	(89)	(38)	(89)	(65)
Total other comprehensive income	1,030	2,053	762	2,115
Total comprehensive income	$ 3,508	$ 3,406	$ 6,126	$ 4,210